<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>实验主页</title>
</head>
<body>
<form action="http://localhost:8080/DL/a"  method="post">
	

     登陆名：<input name="username" type="text"><br>
 
     密码：<input name= "password" type="text"><br>

     <input  type="submit"  value="submit"><br>
     

	</form>
</body>

</html>